制动灯装于汽车后面,用于当汽车()或()停车时,向车后发出灯光信号,以警示随后车辆及行人。
参考答案:制动;减速
No one could have thought that the man _____ should have a one-million-pound note. [ ]
A. in rag
B. with rags
C. with rag
D. in rags
目前国内适用于中型机以上地调的自动化系统主站计算机系统有哪几种类型?各有何优缺点?